Gardeners know that amidst the promises of each new growing season come its challenges, usually in the form of weather or pests. A common insect pest this time of year are sawfly larvae, which feed on ...

A. This skeletonized look is the work of sawfly larvae. The sluglike larvae are about a half-inch long and graze on leaf surfaces, causing the foliage to dry and turn brown. The damaged area is ...

Question: Tiny caterpillars have shredded the leaves on my hardy hibiscus both this year and last. I sprayed with Bt insecticide but it didn't help. Any suggestions? Phyllis D., Tulsa Answer: The ...

Activity from the roseslug sawfly is being seen in our county. The symptoms are white or tan areas on rose leaves, also called windowpaning, as a result of insect larvae eating away the surface area ...

Hey and Steer 1 have expressed the belief that nicotine acts mainly as an ovicide when used for controlling apple sawfly, though it is also toxic to the larvæ. They quote, however, other authors who ...

This is a preview. Log in through your library . Abstract To maintain relatively stable growth rates over gradients of resource quality, insect herbivores may adjust their consumption, or search for ...

RICHARDTON, N.D. -- Vern Tormaschy was putting on anhydrous ammonia, preparing ground for the Mott variety of spring wheat in 2012. Going to Mott is a strategy that worked in 2011 after losing half of ...

Wheat stem sawfly is a native insect that feeds on grasses in Colorado. The insect was first identified by entomologists in Colorado around the late 1800’s and primarily fed on range grasses. However, ...

BECKET, Mass. (WWLP) – An invasive insect that damages elm trees has been found in Massachusetts for the first time. The Department of Conservation and Recreation (DCR) reports that the elm zigzag ...